Car brake and starter



'(No Model.) S 3 Sheets-Sheet 1. A, S. DICKINSON. GAR BRAKE AND STARTER.7 No. 283,219 Patented Aug. 14, 1883.

INVBIHOR WITNESSES:

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-(No Model.) v 3 Sheets Sheet 2.

A. S. DICKINSON. GAR BRAKE AND STARTER.- No. 283,219. Patented A11 14,1888.

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(No Model.)

A. S. DICKINSON.

. GAR BRAKE AND STARTER. No. 283,219. Patented Aug. 14, 1883.

'INVBNTOR ATTORNEY M PETERS. Photo-W Wanhinm 0.1-

v UNITED STATES; PATENT OFFICE.

ARTHUR DICKINSON, OF SPRINGFIELD, MASSACHUSETTS.

CAR BRAKE AND STARTER.

SPECIFICATION formingpart of Letters Patent No. 283,219, dated.August14, 18 83.

Application filed July 2,1883. (No model.)

To all whom it may concern:

Be it known that I, ARTHUR S. DICKINSON, a citizen of the United States,residing at Springfield, in the county of Hampden and State ofMassachusetts, have invented new and useful Improvements inCombinedGar-Starting and Gar-Brake Devices, of which the fol lowing is aspecification.

to my invention.

This invention relates to improvements in car-starting and car-brakedevices combined;

and it consists in'the combinatiom'with carwheels having ratchetteeth ontheir inner pposite faces surrounding the axle, of acoilspring aroundthe axle having secured to each end thereof a ratchet and brake wheel tointerlock with said car-wheels, and of mechanism, as hereinafterdescribed, for moving said ratchet and brake wheels to engage one ofthem with'either car-wheel, and of brake mechanism for clamping saidratchet-wheels by their peripheries, and for operating the above-nameddevices from the ends of the car, the objectbeing to provide improvedcarstarting and car-brake devices combined, and improved means foroperating said devices from either end of the car. e In the drawingsforming part of this specification, Figure 1 is a plan view of thebottom of a car having applied thereto car starting and brake mechanismconstructed according Fig. 2 is an end elevation of the platform of thecar. Fig.3 is a sectional view on line as m, Fig. 1. Fig. 4is asecjt'ional view on line y y,Fig. 1. Fig. 5 is a detail view. Fig. 6illustrates the manner of arranging the starting and brake devices tooperate with both pairs of the wheels of a car.

a Fig. 7 is a detail view.

secured to one end thereof an upright post, D

and has pivoted thereto a vibratory brake-lever, D and said post andlever are united by a rocking motion by means of the two-armed levers osecured to its ends which have footbutton connections 7: k thereonstanding above the platform at each end of the car. An arm, 1;, issecured to said rod 12 which engages with the end of the lever t5,whereby the rocking motion of rod '12 is caused tomove levers t t fromthe position shown in Fig. 3 to that indicated therein by dotted lines,and whereby lever D is madeto swing in. the direction indicated bydotted lines at its right. A semicircular brake-shoe,n, is boltedrigidly to said brake-frame by a bolt, 0, and a movable brake-shoe, n,is supported on said frame opposite to n and in engagement with thevibratory lever D", whereby it is given a movement toward and from theshoe 1%. A ratchet-wl1eel, 0, having teeth thereon to engage withcorresponding ones on the adjoining face of the car-wheel,(the teeth onthe lat ter being indicated by (2,) is placed on the axle a, so that thelatter may turn freely therein between the said brake-shoes n and n, andis adapted to be clamped rigidly between said shoes.

The devices above described as being on one side of the brake-frame andconnected with the brake-rod o are duplicated on the op'posite side ofthe frame, to act, by a duplicate rod, o on the wheel on the oppositeend of axle 0. Thus each end of a coil-spring, f, on the axle is securedto a ratchetwheel, 6, heretofore described.

A rockshaft, w, is hung centrally under the platform A, having on eachend of it a lever,

z, whereby said shaft is rocked, for the purpose hereinafter set forth.Theleversz are attached to the shaft w by pivot-connections, whichpermit them to have a certain vibratory motion in the direction of thelength of the shaft.

IOO

into the notches in plate A notched plate,w", is secured to the railingat the end of the car, provided with suitable notches in its edge, withwhich the levers z are adapted to engage to hold them in a position towhich they may be swung. The shaft is so hung under the car as to permitit to have a slight longitudinal movement. I A fulcrumplate, 00, isplaced on the platform A,to project a little beyond the end of thelatter, and to have its edge very near to or against the inner side oflever 2 when the latter is swung The purpose of plate ais to provide afulcrum or abutment against which the lever 2 at one end of the car isforced, when, by drawing the end of the lever at the opposite end of thecar toward the railing, the shaft 10 is made to slide endwise,

thus so swinging the first-named lever as to throw it away from plate00?, sothat it will not interfere with the operation of the shaft w fromthe other end of the car. Thus, if the lever z is in engagement witheither of the notches in plate 00", the operator at the opposite end ofthe car can disengage it without leaving his position.

The rock-shaft w is connected with the aforesaid brake-frame by the rodsw, which are attached to suitable arms on said shaft, and by operatingthe levers 2, as above described, said frame is moved between the wheelsof the op posite sides of the car to carryeither one of theratchet-wheels a into engagement with the teeth of one of thecar-wheels.

When the brake-frame is moved transversely on the axle c, as abovedescribed, the levers 13, connected with the above-described brakemechanism and having one end engaging with the levers c on shaft o, aregiven a certain oscillatory movement; hence the arrangement of the pinon lever t to project through aslot in lever 15 whereby, whatever may bethe position of the brakc frame, the lever t is free to be operated.

. The mechanism above described as applied to the brake and startingmechanism of one pair of wheels may be duplicated upon a second pair,and when so arranged the knucklejointed levers t t are hung between twovibratory levers L L, acting, as above described, against movablebrake-shoes n. Plates hare secured to the sides of the frame-strip D,and extend a little way over the faces of the wheels 6, to support themin proper position and compel them to move with the brake-frame back andforth on the axles. knucklejointed levers are connected as in Fig. 6,which illustrates said double connec tion, a link, H, is attached tosaid levers, which receives the end of lever e on shaft 1).

The operation of my improvements is as follows: To cause the startingdevices to be brought into action while the ear is in motion and aboutto be stopped, the lever z is swung to one side, moving the brake-frameand its connected devices toward one of the car-wheels, and bringing oneof wheels 0 into car-wheel. erator desires to stop it after the springhas engagementwith the teeth of the car-wheel.

The operator then presses down button It, rocking the shaft 1)", which,by its arm n, is in connection with the braking. devices andratchet-wheel which are not in engagement with the car-wheel, therebyclamping the free ratchet-wheel between the shoes at it, thus preventingit from turning and causing the spring f to be wound up by theratchet-wheel which is in engagement with the revolving WVhen the carsteps, or, if the opbeen wound up, he presses down button k,

thus rocking shaft t which is in connection with the brake mechanism ofthe ratchet-wheel in engagement with the car-wheel, causing saidratchet-wheel to be clamped between the shoes 12 a, and preventing itand the earwheel from turning, thus bringing the car to a stop withspring f wound up. When said brake mechanisms are operated as abovedescribed, the knucklej ointed levers are thrown just a little out ofline, so that they remain in a fixed locked position until released by acontrary motion of shaft '02. To start the car,

the hand-lever z is thrown over, to move the brake-frame from thecar-wheel which is en gaged with wheel e to the opposite side, andengage the other ratchet-wheel with its adjoining ear-wheel. Theoperator then operates the brake-shoes which clamp the lastnamedratchet-wheel (through one of shafts o to free the latter and let thespring f, in unwinding, turn it and the car-wheel it is engaged with.Thus the car is started. Then the lever z is brought to a centralposition, bringing the brake-frame where neither of wheels 0 ,wheels ofacar and their axle, each wheel having a series of ratchet-teeththereon, of

two ratchet-wheels hung on said axle and adapted to engage with saidcar-wheels, of a coil-spring connected between said ratchetwheels, of abrake-frame, substantially as de- When the scribed, connected with saidratchet-wheels and suspended upon the axles of the car, and

capable, by mechanism, substantially as dey scribed, of transversemovement between said car-wheels, of the fixed and movable brakeshoes11. n, hung in said frame, and of mechanism, substantially as described,for clamping said shoes upon and unclamping them'from saidratchet-wheels, substantially as set forth.

2. The combination of the brake-frame, the

I wheels e,-spring f, shoes n n, levers t t f,

shaft 12, havin lever 12 thereon and the dofihle-armedlevers 1;,provided with footbuttons, anclithe ear-Wheel halving teeth dthereon,substantially as setforth.

plates :10 and 00 attached. to the platform of the car, substantially asset forth.

3. The combination, with the brake-frame, ARTHUR S. DICKINSON. 5 thewheels 0, and spring f, and brake mechanism, substantially as described,of the rock- W'itnesses:

shaft w, connected with said frame, of the I WM. H. OHAPIN,

levers z, pivoted to said shaft, and of the J. D. GARFIELD.

